Sasakubo, Koshigaya, Saitama, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
Sasakubo, Koshigaya, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
77AQILowest AQI recorded on
30th Aug 2024
14AQISame Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 47 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Sasakubo, Koshigaya, Saitama, Japan
AQI
Day
Night
.
4 AM7th Aug 2025
6 PM
3 AM8th Aug 2025
Day time
Avg. Highest Time
6AM7th Aug
52AQI
Avg. Lowest Time
2PM7th Aug
25AQI
Night time
Avg. Highest Time
2AM8th Aug
50AQI
Avg. Lowest Time
7PM7th Aug
44AQI
In the last 24 hours,
Sasakubo's AQI reached its highest point of 52 at 6 AM during the Day, while the lowest point, 25, was recorded at 2 PM during the Day between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sasakubo, Koshigaya, Saitama, Japan
JulAug
09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
9th Jul 2025664 AMAQI
9th Jul 2025705 AMAQI
9th Jul 2025706 AMAQI
9th Jul 2025707 AMAQI
9th Jul 2025708 AMAQI
9th Jul 20251009 AMAQI
9th Jul 202510710 AMAQI
9th Jul 202511011 AMAQI
9th Jul 202512112 PMAQI
9th Jul 20251111 PMAQI
9th Jul 20251152 PMAQI
9th Jul 20251043 PMAQI
9th Jul 20251004 PMAQI
9th Jul 2025985 PMAQI
9th Jul 2025946 PMAQI
9th Jul 2025857 PMAQI
9th Jul 2025688 PMAQI
9th Jul 2025639 PMAQI
9th Jul 20256210 PMAQI
9th Jul 20256011 PMAQI
10th Jul 20256012 AMAQI
10th Jul 2025621 AMAQI
10th Jul 2025702 AMAQI
10th Jul 2025703 AMAQI
32°C28/36°C
10th Jul 2025724 AMAQI
10th Jul 2025775 AMAQI
10th Jul 2025776 AMAQI
10th Jul 2025777 AMAQI
10th Jul 2025778 AMAQI
10th Jul 2025589 AMAQI
10th Jul 20256210 AMAQI
10th Jul 20257011 AMAQI
10th Jul 20257412 PMAQI
10th Jul 2025731 PMAQI
10th Jul 2025702 PMAQI
10th Jul 2025623 PMAQI
10th Jul 2025524 PMAQI
10th Jul 2025565 PMAQI
10th Jul 2025546 PMAQI
10th Jul 2025507 PMAQI
10th Jul 2025498 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025631 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
30°C24/37°C
11th Jul 2025704 AMAQI
11th Jul 2025705 AMAQI
11th Jul 2025696 AMAQI
11th Jul 2025697 AMAQI
11th Jul 2025698 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20251810 AMAQI
11th Jul 20252011 AMAQI
11th Jul 20252212 PMAQI
11th Jul 2025281 PMAQI
11th Jul 2025272 PMAQI
11th Jul 2025403 PMAQI
11th Jul 2025284 PMAQI
11th Jul 2025285 PMAQI
11th Jul 2025286 PMAQI
11th Jul 2025307 PMAQI
11th Jul 2025418 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025591 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025673 AMAQI
24°C22/26°C
12th Jul 2025644 AMAQI
12th Jul 2025625 AMAQI
12th Jul 2025616 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20253910 AMAQI
12th Jul 20254011 AMAQI
12th Jul 20254412 PMAQI
12th Jul 2025481 PMAQI
12th Jul 2025482 PMAQI
12th Jul 2025473 PMAQI
12th Jul 2025454 PMAQI
12th Jul 2025425 PMAQI
12th Jul 2025356 PMAQI
12th Jul 2025367 PMAQI
12th Jul 2025448 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255412 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 AMAQI
25°C22/29°C
13th Jul 2025614 AMAQI
13th Jul 2025595 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025597 AMAQI
13th Jul 2025598 AMAQI
13th Jul 2025449 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20254511 AMAQI
13th Jul 20255012 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025474 PMAQI
13th Jul 2025445 PMAQI
13th Jul 2025446 PMAQI
13th Jul 2025407 PMAQI
13th Jul 2025418 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255010 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255012 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025593 AMAQI
27°C24/32°C
14th Jul 2025584 AMAQI
14th Jul 2025575 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025577 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20251812 PMAQI
14th Jul 2025231 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025233 PMAQI
14th Jul 2025254 PMAQI
14th Jul 2025245 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025257 PMAQI
14th Jul 2025328 PMAQI
14th Jul 2025479 PMAQI
14th Jul 20254410 PMAQI
14th Jul 20254811 PMAQI
15th Jul 20254712 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025563 AMAQI
26°C25/29°C
15th Jul 2025554 AMAQI
15th Jul 2025535 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025538 AMAQI
15th Jul 2025369 AMAQI
15th Jul 20252510 AMAQI
15th Jul 20252111 AMAQI
15th Jul 20252512 PMAQI
15th Jul 2025301 PMAQI
15th Jul 2025302 PMAQI
15th Jul 2025363 PMAQI
15th Jul 2025314 PMAQI
15th Jul 2025265 PMAQI
15th Jul 2025286 PMAQI
15th Jul 2025267 PMAQI
15th Jul 2025288 PMAQI
15th Jul 2025399 PMAQI
15th Jul 20254010 PMAQI
15th Jul 20254311 PMAQI
16th Jul 20254612 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
28°C27/31°C
16th Jul 2025524 AMAQI
16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025517 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025539 AMAQI
16th Jul 20254610 AMAQI
16th Jul 20253211 AMAQI
16th Jul 20252412 PMAQI
16th Jul 2025221 PMAQI
16th Jul 2025232 PMAQI
16th Jul 2025223 PMAQI
16th Jul 2025234 PMAQI
16th Jul 2025315 PMAQI
16th Jul 2025436 PMAQI
16th Jul 2025267 PMAQI
16th Jul 2025338 PMAQI
16th Jul 2025429 PMAQI
16th Jul 20254010 PMAQI
16th Jul 20254111 PMAQI
17th Jul 20254212 AMAQI
17th Jul 2025471 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
29°C26/31°C
17th Jul 2025504 AMAQI
17th Jul 2025495 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025488 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20252710 AMAQI
17th Jul 20253111 AMAQI
17th Jul 20252812 PMAQI
17th Jul 2025361 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025343 PMAQI
17th Jul 2025324 PMAQI
17th Jul 2025335 PMAQI
17th Jul 2025356 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025408 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254610 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20254512 AMAQI
18th Jul 2025471 AMAQI
18th Jul 2025492 AMAQI
18th Jul 2025503 AMAQI
30°C27/33°C
18th Jul 2025484 AMAQI
18th Jul 2025465 AMAQI
18th Jul 2025456 AMAQI
18th Jul 2025457 AMAQI
18th Jul 2025458 AMAQI
18th Jul 2025309 AMAQI
18th Jul 20252410 AMAQI
18th Jul 20252611 AMAQI
18th Jul 20252112 PMAQI
18th Jul 2025211 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025233 PMAQI
18th Jul 2025254 PMAQI
18th Jul 2025275 PMAQI
18th Jul 2025296 PMAQI
18th Jul 2025257 PMAQI
18th Jul 2025318 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20253711 PMAQI
19th Jul 20253612 AMAQI
19th Jul 2025391 AMAQI
19th Jul 2025472 AMAQI
19th Jul 2025473 AMAQI
29°C26/33°C
19th Jul 2025454 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20252410 AMAQI
19th Jul 20252111 AMAQI
19th Jul 20252012 PMAQI
19th Jul 2025211 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025245 PMAQI
19th Jul 2025226 PMAQI
19th Jul 2025217 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025349 PMAQI
19th Jul 20253510 PMAQI
19th Jul 20253311 PMAQI
20th Jul 20253312 AMAQI
20th Jul 2025361 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
30°C26/34°C
20th Jul 2025424 AMAQI
20th Jul 2025405 AMAQI
20th Jul 2025406 AMAQI
20th Jul 2025397 AMAQI
20th Jul 2025408 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20252310 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20252812 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025263 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025275 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025267 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20253610 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
31°C27/36°C
21st Jul 2025394 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025249 AMAQI
21st Jul 20252510 AMAQI
21st Jul 20253311 AMAQI
21st Jul 20254012 PMAQI
21st Jul 2025401 PMAQI
21st Jul 2025422 PMAQI
21st Jul 2025483 PMAQI
21st Jul 2025404 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025366 PMAQI
21st Jul 2025347 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025351 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
32°C28/37°C
22nd Jul 2025384 AMAQI
22nd Jul 2025375 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20252910 AMAQI
22nd Jul 20253811 AMAQI
22nd Jul 20254412 PMAQI
22nd Jul 2025491 PMAQI
22nd Jul 2025542 PMAQI
22nd Jul 2025533 PMAQI
22nd Jul 2025524 PMAQI
22nd Jul 2025445 PMAQI
22nd Jul 2025366 PMAQI
22nd Jul 2025337 PMAQI
22nd Jul 2025328 PMAQI
22nd Jul 2025329 PMAQI
22nd Jul 20253110 PMAQI
22nd Jul 20253011 PMAQI
23rd Jul 20253112 AMAQI
23rd Jul 2025331 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
32°C28/37°C
23rd Jul 2025384 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025396 AMAQI
23rd Jul 2025397 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025349 AMAQI
23rd Jul 20253810 AMAQI
23rd Jul 20253911 AMAQI
23rd Jul 20255312 PMAQI
23rd Jul 2025521 PMAQI
23rd Jul 2025542 PMAQI
23rd Jul 2025573 PMAQI
23rd Jul 2025554 PMAQI
23rd Jul 2025545 PMAQI
23rd Jul 2025486 PMAQI
23rd Jul 2025387 PMAQI
23rd Jul 2025378 PMAQI
23rd Jul 2025339 PMAQI
23rd Jul 20253210 PMAQI
23rd Jul 20253311 PMAQI
24th Jul 20253312 AMAQI
24th Jul 2025341 AMAQI
24th Jul 2025382 AMAQI
24th Jul 2025383 AMAQI
32°C28/37°C
24th Jul 2025394 AMAQI
24th Jul 2025415 AMAQI
24th Jul 2025416 AMAQI
24th Jul 2025417 AMAQI
24th Jul 2025418 AMAQI
24th Jul 2025409 AMAQI
24th Jul 20254310 AMAQI
24th Jul 20255311 AMAQI
24th Jul 20255612 PMAQI
24th Jul 2025561 PMAQI
24th Jul 2025562 PMAQI
24th Jul 2025583 PMAQI
24th Jul 2025584 PMAQI
24th Jul 2025585 PMAQI
24th Jul 2025506 PMAQI
24th Jul 2025407 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253610 PMAQI
24th Jul 20253411 PMAQI
25th Jul 20253612 AMAQI
25th Jul 2025361 AMAQI
25th Jul 2025372 AMAQI
25th Jul 2025383 AMAQI
32°C28/38°C
25th Jul 2025404 AMAQI
25th Jul 2025425 AMAQI
25th Jul 2025436 AMAQI
25th Jul 2025437 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20253410 AMAQI
25th Jul 20254011 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025541 PMAQI
25th Jul 2025562 PMAQI
25th Jul 2025503 PMAQI
25th Jul 2025394 PMAQI
25th Jul 2025385 PMAQI
25th Jul 2025306 PMAQI
25th Jul 2025247 PMAQI
25th Jul 2025288 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253111 PMAQI
26th Jul 20253012 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025412 AMAQI
26th Jul 2025403 AMAQI
33°C29/38°C
26th Jul 2025414 AMAQI
26th Jul 2025445 AMAQI
26th Jul 2025436 AMAQI
26th Jul 2025447 AMAQI
26th Jul 2025438 AMAQI
26th Jul 2025339 AMAQI
26th Jul 20253610 AMAQI
26th Jul 20254811 AMAQI
26th Jul 20255412 PMAQI
26th Jul 2025571 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025523 PMAQI
26th Jul 2025424 PMAQI
26th Jul 2025385 PMAQI
26th Jul 2025266 PMAQI
26th Jul 2025277 PMAQI
26th Jul 2025268 PMAQI
26th Jul 2025309 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253111 PMAQI
27th Jul 20253012 AMAQI
27th Jul 2025341 AMAQI
27th Jul 2025392 AMAQI
27th Jul 2025393 AMAQI
32°C29/38°C
27th Jul 2025414 AMAQI
27th Jul 2025435 AMAQI
27th Jul 2025426 AMAQI
27th Jul 2025437 AMAQI
27th Jul 2025438 AMAQI
27th Jul 2025429 AMAQI
27th Jul 20255210 AMAQI
27th Jul 20255611 AMAQI
27th Jul 20255412 PMAQI
27th Jul 2025531 PMAQI
27th Jul 2025522 PMAQI
27th Jul 2025443 PMAQI
27th Jul 2025314 PMAQI
27th Jul 2025295 PMAQI
27th Jul 2025276 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025248 PMAQI
27th Jul 2025289 PMAQI
27th Jul 20252910 PMAQI
27th Jul 20253111 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025331 AMAQI
28th Jul 2025382 AMAQI
28th Jul 2025393 AMAQI
32°C29/37°C
28th Jul 2025404 AMAQI
28th Jul 2025425 AMAQI
28th Jul 2025426 AMAQI
28th Jul 2025427 AMAQI
28th Jul 2025428 AMAQI
28th Jul 2025279 AMAQI
28th Jul 20252710 AMAQI
28th Jul 20253511 AMAQI
28th Jul 20254012 PMAQI
28th Jul 2025431 PMAQI
28th Jul 2025442 PMAQI
28th Jul 2025503 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025575 PMAQI
28th Jul 2025536 PMAQI
28th Jul 2025497 PMAQI
28th Jul 2025408 PMAQI
28th Jul 2025369 PMAQI
28th Jul 20253310 PMAQI
28th Jul 20253511 PMAQI
29th Jul 20253512 AMAQI
29th Jul 2025371 AMAQI
29th Jul 2025402 AMAQI
29th Jul 2025383 AMAQI
32°C29/38°C
29th Jul 2025404 AMAQI
29th Jul 2025405 AMAQI
29th Jul 2025396 AMAQI
29th Jul 2025407 AMAQI
29th Jul 2025388 AMAQI
29th Jul 2025259 AMAQI
29th Jul 20252610 AMAQI
29th Jul 20253011 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025461 PMAQI
29th Jul 2025492 PMAQI
29th Jul 2025463 PMAQI
29th Jul 2025454 PMAQI
29th Jul 2025375 PMAQI
29th Jul 2025326 PMAQI
29th Jul 2025287 PMAQI
29th Jul 2025288 PMAQI
29th Jul 2025289 PMAQI
29th Jul 20252810 PMAQI
29th Jul 20252811 PMAQI
30th Jul 20252612 AMAQI
30th Jul 2025291 AMAQI
30th Jul 2025392 AMAQI
30th Jul 2025383 AMAQI
32°C28/39°C
30th Jul 2025384 AMAQI
30th Jul 2025385 AMAQI
30th Jul 2025386 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025398 AMAQI
30th Jul 2025219 AMAQI
30th Jul 20251710 AMAQI
30th Jul 20252011 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025271 PMAQI
30th Jul 2025272 PMAQI
30th Jul 2025283 PMAQI
30th Jul 2025254 PMAQI
30th Jul 2025245 PMAQI
30th Jul 2025276 PMAQI
30th Jul 2025277 PMAQI
30th Jul 2025338 PMAQI
30th Jul 2025369 PMAQI
30th Jul 20253510 PMAQI
30th Jul 20253411 PMAQI
31st Jul 20253412 AMAQI
31st Jul 2025341 AMAQI
31st Jul 2025362 AMAQI
31st Jul 2025373 AMAQI
31°C27/36°C
31st Jul 2025364 AMAQI
31st Jul 2025365 AMAQI
31st Jul 2025366 AMAQI
31st Jul 2025367 AMAQI
31st Jul 2025368 AMAQI
31st Jul 2025369 AMAQI
31st Jul 20253610 AMAQI
31st Jul 20253611 AMAQI
31st Jul 20253212 PMAQI
31st Jul 2025331 PMAQI
31st Jul 2025342 PMAQI
31st Jul 2025303 PMAQI
31st Jul 2025294 PMAQI
31st Jul 2025255 PMAQI
31st Jul 2025216 PMAQI
31st Jul 2025207 PMAQI
31st Jul 2025258 PMAQI
31st Jul 2025269 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252411 PMAQI
1st Aug 20252612 AMAQI
1st Aug 2025291 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025343 AMAQI
29°C26/35°C
1st Aug 2025344 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025356 AMAQI
1st Aug 2025357 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025299 AMAQI
1st Aug 20253410 AMAQI
1st Aug 20253911 AMAQI
1st Aug 20254812 PMAQI
1st Aug 2025351 PMAQI
1st Aug 2025372 PMAQI
1st Aug 2025313 PMAQI
1st Aug 2025434 PMAQI
1st Aug 2025335 PMAQI
1st Aug 2025386 PMAQI
1st Aug 2025247 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252711 PMAQI
2nd Aug 20252812 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025373 AMAQI
28°C26/32°C
2nd Aug 2025374 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025386 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025339 AMAQI
2nd Aug 20253310 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20254212 PMAQI
2nd Aug 2025471 PMAQI
2nd Aug 2025572 PMAQI
2nd Aug 2025583 PMAQI
2nd Aug 2025514 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025557 PMAQI
2nd Aug 2025418 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20253312 AMAQI
3rd Aug 2025341 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025363 AMAQI
32°C27/38°C
3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025499 AMAQI
3rd Aug 20255510 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20256412 PMAQI
3rd Aug 2025521 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025533 PMAQI
3rd Aug 2025494 PMAQI
3rd Aug 2025545 PMAQI
3rd Aug 2025556 PMAQI
3rd Aug 2025527 PMAQI
3rd Aug 2025448 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254110 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
32°C28/37°C
4th Aug 2025424 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025589 AMAQI
4th Aug 20256310 AMAQI
4th Aug 20257811 AMAQI
4th Aug 20257212 PMAQI
4th Aug 2025831 PMAQI
4th Aug 2025852 PMAQI
4th Aug 2025793 PMAQI
4th Aug 2025854 PMAQI
4th Aug 2025905 PMAQI
4th Aug 2025846 PMAQI
4th Aug 2025747 PMAQI
4th Aug 2025678 PMAQI
4th Aug 2025609 PMAQI
4th Aug 20255710 PMAQI
4th Aug 20255011 PMAQI
5th Aug 20256412 AMAQI
5th Aug 2025431 AMAQI
5th Aug 2025402 AMAQI
5th Aug 2025403 AMAQI
33°C29/38°C
5th Aug 2025504 AMAQI
5th Aug 2025535 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025589 AMAQI
5th Aug 20256210 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20256312 PMAQI
5th Aug 2025571 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025563 PMAQI
5th Aug 2025614 PMAQI
5th Aug 2025505 PMAQI
5th Aug 2025506 PMAQI
5th Aug 2025457 PMAQI
5th Aug 2025488 PMAQI
5th Aug 2025469 PMAQI
5th Aug 20254710 PMAQI
5th Aug 20254611 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025483 AMAQI
35°C30/40°C
6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025449 AMAQI
6th Aug 20255010 AMAQI
6th Aug 20254611 AMAQI
6th Aug 20255312 PMAQI
6th Aug 2025541 PMAQI
6th Aug 2025592 PMAQI
6th Aug 2025523 PMAQI
6th Aug 2025544 PMAQI
6th Aug 2025585 PMAQI
6th Aug 2025526 PMAQI
6th Aug 2025567 PMAQI
6th Aug 2025548 PMAQI
6th Aug 2025499 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20254711 PMAQI
7th Aug 20254412 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025503 AMAQI
33°C30/39°C
7th Aug 2025514 AMAQI
7th Aug 2025515 AMAQI
7th Aug 2025526 AMAQI
7th Aug 2025467 AMAQI
7th Aug 2025508 AMAQI
7th Aug 2025449 AMAQI
7th Aug 20254410 AMAQI
7th Aug 20254911 AMAQI
7th Aug 20253512 PMAQI
7th Aug 2025341 PMAQI
7th Aug 2025252 PMAQI
7th Aug 2025263 PMAQI
7th Aug 2025374 PMAQI
7th Aug 2025465 PMAQI
7th Aug 2025486 PMAQI
7th Aug 2025447 PMAQI
7th Aug 2025458 PMAQI
7th Aug 2025489 PMAQI
7th Aug 20254710 PMAQI
7th Aug 20254611 PMAQI
8th Aug 20254512 AMAQI
8th Aug 2025461 AMAQI
8th Aug 2025502 AMAQI
8th Aug 2025493 AMAQI
31°C28/34°C
8th Aug 2025484 AMAQI
4 AM8th Aug 2025475 AMAQI
8th Aug 2025476 AMAQI
8th Aug 2025477 AMAQI
8th Aug 2025488 AMAQI
8th Aug 2025349 AMAQI
8th Aug 20252810 AMAQI
8th Aug 20252111 AMAQI
11 AM8th Aug 20252712 PMAQI
8th Aug 2025281 PMAQI
8th Aug 2025262 PMAQI
8th Aug 2025343 PMAQI
8th Aug 2025364 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
47AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
39AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 47), while the lowest AQI was between 9 AM to 10 AM (Avg. 39).
Night time
Avg. Highest Time
2 AM - 3 AM
47AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM - 8 PM
38AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 47), while the lowest AQI was between 7 PM to 8 PM (Avg. 38).
2025 Days Vs Air Quality
Sasakubo, Koshigaya, Saitama, Japan
2025
86%
188
14%
31
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Good
188 DaysModerate
31 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 220 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Sasakubo, Koshigaya, Saitama, Japan
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
37AQI
37AQI
2nd January 2025
37AQI
37AQI
3rd January 2025
27AQI
27AQI
4th January 2025
32AQI
32AQI
5th January 2025
38AQI
38AQI
6th January 2025
57AQI
57AQI
7th January 2025
33AQI
33AQI
8th January 2025
36AQI
36AQI
9th January 2025
35AQI
35AQI
10th January 2025
30AQI
30AQI
11th January 2025
31AQI
31AQI
12th January 2025
46AQI
46AQI
13th January 2025
32AQI
32AQI
14th January 2025
43AQI
43AQI
15th January 2025
39AQI
39AQI
16th January 2025
38AQI
38AQI
17th January 2025
33AQI
33AQI
18th January 2025
38AQI
38AQI
19th January 2025
51AQI
51AQI
20th January 2025
42AQI
42AQI
21st January 2025
42AQI
42AQI
22nd January 2025
41AQI
41AQI
23rd January 2025
51AQI
51AQI
24th January 2025
47AQI
47AQI
25th January 2025
43AQI
43AQI
26th January 2025
36AQI
36AQI
27th January 2025
40AQI
40AQI
28th January 2025
45AQI
45AQI
29th January 2025
33AQI
33AQI
30th January 2025
36AQI
36AQI
31st January 2025
29AQI
29AQI
1st February 2025
48AQI
48AQI
2nd February 2025
38AQI
38AQI
3rd February 2025
44AQI
44AQI
4th February 2025
33AQI
33AQI
5th February 2025
33AQI
33AQI
6th February 2025
27AQI
27AQI
7th February 2025
31AQI
31AQI
8th February 2025
28AQI
28AQI
9th February 2025
28AQI
28AQI
10th February 2025
30AQI
30AQI
11th February 2025
33AQI
33AQI
12th February 2025
46AQI
46AQI
13th February 2025
44AQI
44AQI
14th February 2025
37AQI
37AQI
15th February 2025
43AQI
43AQI
16th February 2025
44AQI
44AQI
17th February 2025
38AQI
38AQI
18th February 2025
34AQI
34AQI
19th February 2025
31AQI
31AQI
20th February 2025
30AQI
30AQI
21st February 2025
30AQI
30AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
31AQI
31AQI
24th February 2025
32AQI
32AQI
25th February 2025
33AQI
33AQI
26th February 2025
39AQI
39AQI
27th February 2025
42AQI
42AQI
28th February 2025
54AQI
54AQI
1st March 2025
51AQI
51AQI
2nd March 2025
62AQI
62AQI
3rd March 2025
40AQI
40AQI
4th March 2025
41AQI
41AQI
5th March 2025
30AQI
30AQI
6th March 2025
36AQI
36AQI
7th March 2025
32AQI
32AQI
8th March 2025
40AQI
40AQI
9th March 2025
35AQI
35AQI
10th March 2025
38AQI
38AQI
11th March 2025
42AQI
42AQI
12th March 2025
48AQI
48AQI
13th March 2025
46AQI
46AQI
14th March 2025
42AQI
42AQI
15th March 2025
41AQI
41AQI
16th March 2025
28AQI
28AQI
17th March 2025
23AQI
23AQI
18th March 2025
28AQI
28AQI
19th March 2025
19AQI
19AQI
20th March 2025
28AQI
28AQI
21st March 2025
43AQI
43AQI
22nd March 2025
54AQI
54AQI
23rd March 2025
57AQI
57AQI
24th March 2025
56AQI
56AQI
25th March 2025
72AQI
72AQI
26th March 2025
74AQI
74AQI
27th March 2025
72AQI
72AQI
28th March 2025
53AQI
53AQI
29th March 2025
39AQI
39AQI
30th March 2025
39AQI
39AQI
31st March 2025
34AQI
34AQI
1st April 2025
30AQI
30AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
23AQI
23AQI
4th April 2025
21AQI
21AQI
5th April 2025
29AQI
29AQI
6th April 2025
25AQI
25AQI
7th April 2025
32AQI
32AQI
8th April 2025
41AQI
41AQI
9th April 2025
28AQI
28AQI
10th April 2025
49AQI
49AQI
11th April 2025
41AQI
41AQI
12th April 2025
42AQI
42AQI
13th April 2025
32AQI
32AQI
14th April 2025
38AQI
38AQI
15th April 2025
30AQI
30AQI
16th April 2025
27AQI
27AQI
17th April 2025
34AQI
34AQI
18th April 2025
49AQI
49AQI
19th April 2025
65AQI
65AQI
20th April 2025
56AQI
56AQI
21st April 2025
49AQI
49AQI
22nd April 2025
50AQI
50AQI
23rd April 2025
33AQI
33AQI
24th April 2025
46AQI
46AQI
25th April 2025
49AQI
49AQI
26th April 2025
51AQI
51AQI
27th April 2025
56AQI
56AQI
28th April 2025
49AQI
49AQI
29th April 2025
37AQI
37AQI
30th April 2025
50AQI
50AQI
1st May 2025
43AQI
43AQI
2nd May 2025
34AQI
34AQI
3rd May 2025
33AQI
33AQI
4th May 2025
40AQI
40AQI
5th May 2025
37AQI
37AQI
6th May 2025
33AQI
33AQI
7th May 2025
26AQI
26AQI
8th May 2025
32AQI
32AQI
9th May 2025
34AQI
34AQI
10th May 2025
23AQI
23AQI
11th May 2025
22AQI
22AQI
12th May 2025
25AQI
25AQI
13th May 2025
36AQI
36AQI
14th May 2025
38AQI
38AQI
15th May 2025
40AQI
40AQI
16th May 2025
47AQI
47AQI
17th May 2025
30AQI
30AQI
18th May 2025
47AQI
47AQI
19th May 2025
46AQI
46AQI
20th May 2025
64AQI
64AQI
21st May 2025
60AQI
60AQI
22nd May 2025
47AQI
47AQI
23rd May 2025
47AQI
47AQI
24th May 2025
46AQI
46AQI
25th May 2025
33AQI
33AQI
26th May 2025
32AQI
32AQI
27th May 2025
26AQI
26AQI
28th May 2025
27AQI
27AQI
29th May 2025
30AQI
30AQI
30th May 2025
27AQI
27AQI
31st May 2025
18AQI
18AQI
1st June 2025
24AQI
24AQI
2nd June 2025
32AQI
32AQI
3rd June 2025
36AQI
36AQI
4th June 2025
29AQI
29AQI
5th June 2025
41AQI
41AQI
6th June 2025
45AQI
45AQI
7th June 2025
48AQI
48AQI
8th June 2025
58AQI
58AQI
9th June 2025
52AQI
52AQI
10th June 2025
35AQI
35AQI
11th June 2025
29AQI
29AQI
12th June 2025
39AQI
39AQI
13th June 2025
44AQI
44AQI
14th June 2025
37AQI
37AQI
15th June 2025
32AQI
32AQI
16th June 2025
37AQI
37AQI
17th June 2025
47AQI
47AQI
18th June 2025
41AQI
41AQI
19th June 2025
41AQI
41AQI
20th June 2025
41AQI
41AQI
21st June 2025
34AQI
34AQI
22nd June 2025
26AQI
26AQI
23rd June 2025
25AQI
25AQI
24th June 2025
25AQI
25AQI
25th June 2025
19AQI
19AQI
26th June 2025
21AQI
21AQI
27th June 2025
30AQI
30AQI
28th June 2025
31AQI
31AQI
29th June 2025
37AQI
37AQI
30th June 2025
43AQI
43AQI
1st July 2025
43AQI
43AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
45AQI
45AQI
4th July 2025
48AQI
48AQI
5th July 2025
50AQI
50AQI
6th July 2025
61AQI
61AQI
7th July 2025
77AQI
77AQI
8th July 2025
75AQI
75AQI
9th July 2025
82AQI
82AQI
10th July 2025
64AQI
64AQI
11th July 2025
48AQI
48AQI
12th July 2025
52AQI
52AQI
13th July 2025
51AQI
51AQI
14th July 2025
40AQI
40AQI
15th July 2025
40AQI
40AQI
16th July 2025
41AQI
41AQI
17th July 2025
41AQI
41AQI
18th July 2025
36AQI
36AQI
19th July 2025
32AQI
32AQI
20th July 2025
33AQI
33AQI
21st July 2025
36AQI
36AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
41AQI
41AQI
24th July 2025
43AQI
43AQI
25th July 2025
38AQI
38AQI
26th July 2025
38AQI
38AQI
27th July 2025
37AQI
37AQI
28th July 2025
41AQI
41AQI
29th July 2025
36AQI
36AQI
30th July 2025
31AQI
31AQI
31st July 2025
31AQI
31AQI
1st August 2025
33AQI
33AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
45AQI
45AQI
4th August 2025
59AQI
59AQI
5th August 2025
51AQI
51AQI
6th August 2025
51AQI
51AQI
7th August 2025
47AQI
47AQI
39AQI
36AQI
43AQI
39AQI
36AQI
36AQI
46AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202540AQI
28
3
27
1
22
9
26
4
29
2
28
2
24
7
4
3
188
31
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
June36AQI
202440AQI
26
5
27
2
23
8
17
12
1
26
5
26
4
20
11
30
1
27
3
27
4
25
5
29
2
303
62
1
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
August30AQI
202345AQI
26
4
1
22
6
26
5
21
9
23
8
20
10
15
16
27
4
26
4
26
4
1
21
8
23
8
276
86
2
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
August39AQI
202243AQI
27
4
17
2
24
7
20
10
23
8
18
12
16
8
1
25
2
1
24
7
23
7
28
3
246
70
1
Highest AQI recorded in
June48AQI
Lowest AQI recorded in
August25AQI
202140AQI
20
11
16
6
26
4
1
29
1
28
3
27
3
24
7
26
5
27
3
29
2
25
5
23
8
300
58
1
Highest AQI recorded in
January45AQI
Lowest AQI recorded in
April34AQI
202039AQI
11
2
19
2
18
23
7
30
1
19
12
18
1
27
4
19
11
25
6
209
46
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
September33AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
45AQILeast Polluted Year Recorded
2020(Avg.)
39AQISasakubo's annual 2025 AQI (40) shows an average percentage change of -4.2% (improved AQI) compared to previous years: 2020 (39), 2021 (40), 2022 (43), 2023 (45), 2024 (40).
